Stars and elements

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Across
  1. 2. part of the light spectrum we can see
  2. 4. most abundant element in the Universe
  3. 7. self luminous celestial body
  4. 8. final stage of a massive star
  5. 9. an elements "fingerprint"
  6. 11. Red star temperature
Down
  1. 1. is the range of light waves emitted an object
  2. 3. blue star temperature
  3. 5. small to medium sized star late in its life
  4. 6. Our sun is this type of star
  5. 10. can tell us the temperature of a star